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Bitcoin Cryptocurrency Mastering Development

Can the forked be unforked? :)

So….BTC, BCH, BTG and BSV all trade at different prices/values. All have forked off from BTC and have different development teams, theories, practices, technology, etc. I noticed that when you look at the amount of coins mined on sites like coinmarketcap.com, it shows the following circulating supplies for each: BTC = 18,287,125 BCH = 18,351,063 […]

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Mastering Development

How to display particular rows from JSON data in Ionic 4

I have two JSON data given below: userMcData=[{“MACHINE_ID”:4,“MCNAME”:“RF21”},{“MACHINE_ID”:5,“MCNAME”:“RF22”},{“MACHINE_ID”:6,“MCNAME”:“RF23”}] userMcData JSON shows the Machine ID and Machine Name. items=[{“Mcname”:“RF21”,“Side”:“L”,“Breaks”:101,“1”:20,“2”:10,“3”:15,“4”:11,“5”:9,“6”:10,“7”:6,“8”:8,“9”:12,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0},{“Mcname”:“RF21”,“Side”:“R”,“Breaks”:94,“1”:18,“2”:11,“3”:11,“4”:3,“5”:11,“6”:18,“7”:10,“8”:5,“9”:7,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0},{“Mcname”:“RF22”,“Side”:“L”,“Breaks”:151,“1”:12,“2”:13,“3”:13,“4”:25,“5”:15,“6”:12,“7”:29,“8”:17,“9”:15,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0},{“Mcname”:“RF22”,“Side”:“R”,“Breaks”:316,“1”:51,“2”:27,“3”:23,“4”:26,“5”:28,“6”:57,“7”:39,“8”:41,“9”:24,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0},{“Mcname”:“RF23”,“Side”:“L”,“Breaks”:164,“1”:15,“2”:22,“3”:19,“4”:14,“5”:13,“6”:20,“7”:15,“8”:22,“9”:24,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0},{“Mcname”:“RF23”,“Side”:“R”,“Breaks”:0,“1”:0,“2”:0,“3”:0,“4”:0,“5”:0,“6”:0,“7”:0,“8”:0,“9”:0,“10”:0,“11”:0,“12”:0,“13”:0,“14”:0}] items JSON shows the Machine ID,Side,and some more columns. In this JSON, each Machine must have 2 rows. Both the JSON data are dynamic. I want to show this data as given below: Image1 I want to […]

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Development

How to concatenate outputs of multiple aggregate queries dynamically?

I’m building a Postgres query that needs to call an aggregate function on each entry in an array, then concat all of those aggregate values together. Here’s the query for one of the aggregates: WITH mvtdata AS ( SELECT ST_AsMVTGeom(geom, ST_TileEnvelope(12,513,412)) AS geom, name, description FROM feature WHERE feature_set = ‘river’ AND ST_Intersects(geom, ST_TileEnvelope(12,513,412)) ) […]

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Development

I want to retrieve which scheduler is scheduled for a particular day

+—–+————————————————–+——–+——————–+—————+—————+—————+————————————–+————————-+——————-+——————————————————————————————————–+————————–+——–+—————-+————————————–+———+ | ID | Name | Action | Created By Use Rid | Created Date | Days | Enterprise ID | Job ID | Last Updated By Use Rid | Last Updated Date | Relays | Sch Time | Status | Timezone | Trigger ID | User ID | +—–+————————————————–+——–+——————–+—————+—————+—————+————————————–+————————-+——————-+——————————————————————————————————–+————————–+——–+—————-+————————————–+———+ | 30 | ios | […]

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Development

how can i Thread and play sound while program still working and noe freezing

I want to play a sound but my program is freezing while doing that and after some reading about “Threading” I have tried this and it printed back this error: AttributeError: ‘A’ object has no attribute ‘warning’ I have tried this: from PyQt5 import QtCore, QtGui, QtWidgets import winsound import time from threading import * […]

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Development

How to get extremes from already determined groups of peak/valley indexes? [python]

I’m sorry if i’m butchering the question but essentially i have 3 arrays. One array which is the signal data, and an array of peak indexes and an array of valley indexes. The problem however is that sometimes there will be multiple indexes for a peak in a row before there is a valley index. […]